/* SPDX-License-Identifier: GPL-2.0 */ #ifndef _H8300_PGTABLE_H #define _H8300_PGTABLE_H #include <asm-generic/pgtable-nopud.h> extern void paging_init(void); #define PAGE_NONE __pgprot(0) /* these mean nothing to NO_MM */ #define PAGE_SHARED __pgprot(0) /* these mean nothing to NO_MM */ #define PAGE_COPY __pgprot(0) /* these mean nothing to NO_MM */ #define PAGE_READONLY __pgprot(0) /* these mean nothing to NO_MM */ #define PAGE_KERNEL __pgprot(0) /* these mean nothing to NO_MM */ #define __swp_type(x) (0) #define __swp_offset(x) (0) #define __swp_entry(typ, off) ((swp_entry_t) { ((typ) | ((off) << 7)) }) #define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) }) #define __swp_entry_to_pte(x) ((pte_t) { (x).val }) #define kern_addr_valid(addr) (1) #define pgprot_writecombine(prot) (prot) #define pgprot_noncached pgprot_writecombine static inline int pte_file(pte_t pte) { return 0; } #define swapper_pg_dir ((pgd_t *) 0) /* * ZERO_PAGE is a global shared page that is always zero: used * for zero-mapped memory areas etc.. */ #define ZERO_PAGE(vaddr) (virt_to_page(0)) /* * These would be in other places but having them here reduces the diffs. */ extern unsigned int kobjsize(const void *objp); extern int is_in_rom(unsigned long); /* * All 32bit addresses are effectively valid for vmalloc... * Sort of meaningless for non-VM targets. */ #define VMALLOC_START 0 #define VMALLOC_END 0xffffffff #define arch_enter_lazy_cpu_mode() do {} while (0) #endif /* _H8300_PGTABLE_H */